ul {
    list-style: none;
    padding: 0px;
}
ul li {
    padding-top:10px;
    border-bottom: 1px #eee solid;
}
.avatar {
    width:36px;
    height:36px;
}
.author {
    margin-left: 10px;
}
.create_time {
    float: right;
    line-height: 36px;
}
.answer-content {
    margin-top: 10px;
    margin-left: 46px;
}